Rocksolid Light

Welcome to novaBBS (click a section below)

mail  files  register  newsreader  groups  login

Message-ID:  

You never hesitate to tackle the most difficult problems.

interests / rec.games.backgammon / Rollout: Bearoff: forced to leave a shot 2

SubjectAuthor
* Bearoff: forced to leave a shot 2Timothy Chow
`- Rollout: Bearoff: forced to leave a shot 2Timothy Chow

1
Bearoff: forced to leave a shot 2

<stomgp$mau$1@dont-email.me>

  copy mid

https://www.novabbs.com/interests/article-flat.php?id=8165&group=rec.games.backgammon#8165

  copy link   Newsgroups: rec.games.backgammon
Path: i2pn2.org!i2pn.org!eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail
From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: Bearoff: forced to leave a shot 2
Date: Sun, 6 Feb 2022 09:38:17 -0500
Organization: A noiseless patient Spider
Lines: 23
Message-ID: <stomgp$mau$1@dont-email.me>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Injection-Date: Sun, 6 Feb 2022 14:38:18 -0000 (UTC)
Injection-Info: reader02.eternal-september.org; posting-host="02b62ca293d00226fe6b6c054021c0c0";
logging-data="22878"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19m5tmriLZjX8L9jIE3sDZqBECJ36XZOis="
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101
Thunderbird/91.5.1
Cancel-Lock: sha1:ypBXLQRazDjMf/MZPFPecF6BPWI=
Content-Language: en-US
 by: Timothy Chow - Sun, 6 Feb 2022 14:38 UTC

XGID=-CDaB-D------------bbcbbc-:1:-1:1:63:0:0:0:0:10

X:Player 1 O:Player 2
Score is X:0 O:0. Unlimited Game
+13-14-15-16-17-18------19-20-21-22-23-24-+
| | | O O O O O O | +---+
| | | O O O O O O | | 2 |
| | | O O | +---+
| | | |
| | | |
| |BAR| |
| | | |
| | | X X |
| | | X X X |
| | | X X X X |
| | | X X O X X |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 43 O: 69 X-O: 0-0
Cube: 2, O own cube
X to play 63

---
Tim Chow

Rollout: Bearoff: forced to leave a shot 2

<sttrf1$hel$1@dont-email.me>

  copy mid

https://www.novabbs.com/interests/article-flat.php?id=8176&group=rec.games.backgammon#8176

  copy link   Newsgroups: rec.games.backgammon
Path: i2pn2.org!i2pn.org!eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail
From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: Rollout: Bearoff: forced to leave a shot 2
Date: Tue, 8 Feb 2022 08:33:17 -0500
Organization: A noiseless patient Spider
Lines: 46
Message-ID: <sttrf1$hel$1@dont-email.me>
References: <stomgp$mau$1@dont-email.me>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Injection-Date: Tue, 8 Feb 2022 13:33:21 -0000 (UTC)
Injection-Info: reader02.eternal-september.org; posting-host="cd0a632cc869eb77b4fbf0a8f0cf4190";
logging-data="17877"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/mfjJ/MsALORSRBWKfI3CL3uwQ3SzAe3Y="
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101
Thunderbird/91.5.1
Cancel-Lock: sha1:+y3e2ZrsQioadD/+S4szD2dgkng=
In-Reply-To: <stomgp$mau$1@dont-email.me>
Content-Language: en-US
 by: Timothy Chow - Tue, 8 Feb 2022 13:33 UTC

XGID=-CDaB-D------------bbcbbc-:1:-1:1:63:0:0:0:0:10

X:Player 1 O:Player 2
Score is X:0 O:0. Unlimited Game
+13-14-15-16-17-18------19-20-21-22-23-24-+
| | | O O O O O O | +---+
| | | O O O O O O | | 2 |
| | | O O | +---+
| | | |
| | | |
| |BAR| |
| | | |
| | | X X |
| | | X X X |
| | | X X X X |
| | | X X O X X |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 43 O: 69 X-O: 0-0
Cube: 2, O own cube
X to play 63

Gammons are negligible here. Either 6/3* or 4/1 leaves the same
number of immediate return shots, but 6/3* is more likely to give
O further chances of hitting a shot. For example, if O dances,
X may not be able to clean up the blot. Note that if O rolls
something like 64 62 44, then we would prefer that she be forced
to run rather than stick around.

1. Rollout¹ 6/Off 4/1 eq:+0.296
Player: 67.73% (G:0.48% B:0.00%)
Opponent: 32.27% (G:0.00% B:0.00%)
Confidence: ±0.001 (+0.295..+0.298) - [100.0%]

2. Rollout¹ 6/3* 6/Off eq:+0.228 (-0.068)
Player: 65.82% (G:1.16% B:0.01%)
Opponent: 34.18% (G:0.00% B:0.00%)
Confidence: ±0.002 (+0.226..+0.229) - [0.0%]

¹ 1296 Games rolled with Variance Reduction.
Dice Seed: 271828
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.19.207.pre-release

---
Tim Chow

interests / rec.games.backgammon / Rollout: Bearoff: forced to leave a shot 2

1
server_pubkey.txt

rocksolid light 0.9.81
clearnet tor